The 20 Most Expensive Prescription Drugs in America

The 20 Most Expensive Prescription Drugs in America

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18. Jakafi

Typical cost for a 30-day supply: $13,200
Treats: Myelofibrosis and polycythemia vera

This cancer treatment targets proteins that control the production of blood cells. Like many chemo therapies, it has serious side effects.

Incyte Corporation